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4.3 Photocell
The photocell is a device that detects obstacles.
It consists of an emitter and an infrared receiver, which are located on the sides of the
door. When the infrared beam is cut, and does not reach the receiver, an obstacle is
detected.
If the detection occurs opening has no effect. If it is detected with the door open it prevents
the closing and if it is detected closing the setting opens.
There are some LEDs on the photocells that indicate their status. Check the functioning
of the LEDs in the box below to get a correct alignment.
Remove the factory jumper between COM and IR (only if you connect the photocell).
Connect the photocell to the control circuit as in the picture.
4.4 Emergency closure
In case of malfunction in photocell, the door can't close normally. In this case it's possible
to close the door, ignoring the photocell and pressing four times close button
consecutively. It can be done with a emitter or connecting a switch to P. SW CL OP.
9
The green LEDs 3 and 4 of both photocells
indicate that they are powered if they are
on.
Red LED 1 indicates the status of the
photocell contact:
• Red LED 1 off: contact closed, the motor
can close.
• Red LED 1 on: contact open, the motor
cannot close. There is an obstacle or they
are not aligned.
The orange LED 2 indicates the alignment
between the photocells. If it is on they are
aligned, when it is turned off there is an
obstacle or they are not aligned.
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